This is a beta course, so its structure, chapters, and examples may continue to change.光学基础 This article is being translated. Please check back soon. Chapters光的折射透镜成像原理眼睛的光学结构Next光的折射Found an issue with this content?Tell us what could be improved.Send feedbackSend feedback光学基础Feedback submitted. Thank you!Your feedback💡 If math formulas are hard to type, just describe them in plain language.Email (optional)CancelSubmit feedbackSubmitting...